Sir Charles Mills, 1st Baronet (23 January 1792 – 4 October 1872) was a British banker and member of the Council of India. Born at Popes, Hatfield, he was the third son of William Mills, a director of the Honourable East India Company, and the younger brother of John Mills. Like his father, he was connected with the banking firm of Glyn, Mills and Company, in conjunction with Sir Richard Glyn, 1st Baronet and later his son Lord Wolverton and grandson George Grenfell Glyn.